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  Nuclear hyperfine mixing in 229Th89+ 2025, Page 4 of 4  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
ID Date Author Category Subjectdown Text Attachments
  46   Sun Jun 22 21:36:48 2025 Carsten, Finn, Zac, EstherRunsFirst laser scans
[B] Scan parameters:[/B]
[TABLE border="1"]
  
  60   Wed Jun 25 05:53:54 2025 RodolfoLaserFCUCobra's FCU was recalibrated. Table saved
as FCU_547-554_RS_2024-06-25.fcu.
  
  Draft   Fri Jun 27 06:13:02 2025 Esther, KonstantinRunsEarly shift - data taking[B]Notes:[/B] 
1. TE slits at -10 and +10
2. SIS intensity unstable until about 9:00
  
  31   Sat Jun 21 00:23:22 2025 RodolfoLaserDyeI have prepared new (fresh) dye solutions
of Fluorescein 27: 2 charges. They are in
the Safety Cabinet (Sicherheitsschrank) in
 Farbstoff_FL27.jpg 
  7   Wed Jun 11 16:44:39 2025 Carsten, JanDetectorsDetector voltages and thresholds for DAQ2 (Mesycontrol)Voltages (2650v) for the small band 9423 is
ok. Signals are nicely separated from background,
thresholds can be easily set.
 Mesytec_CFD_Settings_2025-06-11_17-17-33.png 
  59   Tue Jun 24 22:24:36 2025 Carsten, Finn, Hiroshi, Esther, RodolfoRunsData taking (night shift 24.06.)
[B] Scan parameters:[/B]
[TABLE border="1"]
  
  8   Wed Jun 11 17:33:04 2025 Carsten, JanDAQDAQ2 - new computer , new directories (lxg0155 doesn't work reliably)LXG0155 (used in form er beamtimes) crashes
and hangs and hangs eventually. 
  
  11   Fri Jun 13 18:14:02 2025 Konstantin, CarstenDAQDAQ FolderDryrun of DAQs. Folders of the data are:

  
  50   Mon Jun 23 01:01:17 2025 CarstenDetectorsCAEN PMT Power supplySince yesterday, channel 0 of the CAEN PS
is dead (no voltage even without cable).
Changed detector south to channel 3.
  
  21   Wed Jun 18 03:12:25 2025 RodolfoLaserBeam StabilizationThe laser beam pointing has changed, even
thought the MRC settings are the same as
given in Entry 5 (this elog). This could
 MRC-Settings_2025_06-18.JPG 
  47   Sun Jun 22 22:29:04 2025 CarstenAcceleratorBackup copy of present accelerator settings - don't use if you don't know what you are doing# Version: 1.3
# Comment: ParamModi Export at 2025-06-22T22:28:05.633712878+02:00[Europe/Berlin]
# Context: ESR_25_12_THORIUM_20June_v3.C1
  
  29   Fri Jun 20 11:25:32 2025 Julien, Kristian, KonstantinLaserAutomated laser scans In contrast to entry [URL=https://elog.gsi.de/esr/E0052_2025/12]E12[/URL],
the cabling for the automated start of the
laser scan is now connected to [B]IO3 of
  
  27   Wed Jun 18 20:24:01 2025 Carsten, Shahab, Ragandeep, Danyal et al. (the dayshift) and ESR crewAccelerator229Th89+ identificationWe believe to have identified the 237U92+
and the 229Th89+ peaks. 
 245_MHz_Schottky_229Th89.jpg 
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